An updated catalogue of giant radio sources
A. Ku\'zmicz, M. Jamrozy, K. Bronarska, K. Janda-Boczar, D. J. Saikia

TL;DR
This paper compiles a comprehensive catalogue of 349 giant radio sources, analyzing their distribution, properties, and potential for future discoveries, providing valuable data for understanding their evolution and guiding future surveys.
Contribution
It presents an updated, extensive catalogue of GRSs, including new statistical insights and identification of regions with fewer giants, aiding future research and surveys.
Findings
Significant increase in large GRSs over previous data
Identification of sky regions with fewer GRSs
Estimated lower limit of 2000 GRSs based on survey sensitivities
Abstract
We present a catalogue of 349 giant radio sources (GRSs including both galaxies and quasars). The database contains all giants known to date from the literature. These GRSs cover the redshift range of 0.016z3.22 and include radio sources of projected linear sizes larger than 0.7~Mpc which extend up to 4.7~Mpc. We provide the principal parameters (i.e. exact position of the host in the sky, redshift, angular and projected linear size, red optical magnitude, radio morphology type, total radio flux density and luminosity) for all the sources as well as characteristics of the sample. Based on the distribution of GRSs in the sky we identify regions where there is a paucity of giants, so that future surveys for this type of objects could concentrate primarily in these fields. From the analysis presented here, we estimate a lower limit for the expected number of GRSs as about 2000, for…
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